133525556253025 has 24 divisors (see below), whose sum is σ = 166377921990840. Its totient is φ = 106301262927360.

The previous prime is 133525556252947. The next prime is 133525556253097. The reversal of 133525556253025 is 520352655525331.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 59494950610209 + 74030605642816 = 7713297^2 + 8604104^2 .

It is not a de Polignac number, because 133525556253025 - 2¹⁵ = 133525556220257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6577180 + ... + 17615629.

It is an arithmetic number, because the mean of its divisors is an integer number (6932413416285).

Almost surely, 2^{133525556253025} is an apocalyptic number.

It is an amenable number.

133525556253025 is a deficient number, since it is larger than the sum of its proper divisors (32852365737815).

133525556253025 is a wasteful number, since it uses less digits than its factorization.

133525556253025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24193893 (or 24193888 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 52.

The spelling of 133525556253025 in words is "one hundred thirty-three trillion, five hundred twenty-five billion, five hundred fifty-six million, two hundred fifty-three thousand, twenty-five".